haproxy/reg-tests/ssl/ssl_dh.vtc

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#REGTEST_TYPE=devel
# This reg-tests checks that the DH-related mechanisms works properly.
# When no DH is specified, either directly in the server's PEM or through a
# ssl-dh-param-file global option, and no tune.ssl.default-dh-param is defined,
# DHE ciphers are disabled.
# If a default-dh-param is defined, we will use DH parameters of the same size
# as the server's RSA or DSA key, or default-dh-param if it is smaller.
# This test has three distinct HAProxy instances, one with no DH-related option
# used, one with the tune.ssl.default-dh-param global parameter set, and one
# with an ssl-dh-param-file global option.
# We use "openssl s_client" calls in order to check the size of the "Server
# Temp Key" (which will be the same as the DH parameters in case a DHE cipher
# is used).
#
# The main goal of this test was to check that the newly added OpenSSLv3
# specific DH code worked as before, since it needed to be created in order to
# stop using deprecated APIs.
varnishtest "Test the DH related SSL options"
# AWS-LC does not support any FFDH ciphersuites
feature cmd "$HAPROXY_PROGRAM -cc 'feature(OPENSSL) && !ssllib_name_startswith(AWS-LC)' && !ssllib_name_startswith(wolfSSL)'"
feature cmd "command -v openssl && command -v grep && command -v socat"
feature ignore_unknown_macro
server s1 -repeat 8 {
rxreq
txresp
} -start
haproxy h1 -conf {
global
stats socket "${tmpdir}/h1/stats" level admin
defaults
mode http
option httpslog
log stderr local0 debug err
option logasap
timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
timeout client "${HAPROXY_TEST_TIMEOUT-5s}"
timeout server "${HAPROXY_TEST_TIMEOUT-5s}"
retries 0
frontend clear-fe
bind "fd@${clearlst}"
use_backend gen_cert_be if { path /gencert }
default_backend dflt_be
backend dflt_be
server s1 "${tmpdir}/ssl_dflt.sock" ssl verify none ssl-max-ver TLSv1.2
backend gen_cert_be
server s1 "${tmpdir}/ssl_dflt_gencert.sock" ssl verify none ssl-max-ver TLSv1.2
listen ssl-dflt-lst
bind "${tmpdir}/ssl_dflt.sock" ssl crt ${testdir}/common.pem ca-file ${testdir}/set_cafile_rootCA.crt verify optional ciphers "DHE-RSA-AES256-GCM-SHA384" ssl-max-ver TLSv1.2
http-response set-header x-ssl-cipher %[ssl_fc_cipher]
server s1 ${s1_addr}:${s1_port}
listen ssl-dflt-gencert-lst
bind "${tmpdir}/ssl_dflt_gencert.sock" ssl generate-certificates crt ${testdir}/common.pem ca-file ${testdir}/set_cafile_rootCA.crt ca-sign-file ${testdir}/generate_certificates/gen_cert_ca.pem verify optional ciphers "DHE-RSA-AES256-GCM-SHA384" ssl-max-ver TLSv1.2
http-response set-header x-ssl-cipher %[ssl_fc_cipher]
server s1 ${s1_addr}:${s1_port}
} -start
haproxy h2 -conf {
global
stats socket "${tmpdir}/h2/stats" level admin
global
tune.ssl.default-dh-param 4096
defaults
mode http
option httpslog
log stderr local0 debug err
option logasap
timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
timeout client "${HAPROXY_TEST_TIMEOUT-5s}"
timeout server "${HAPROXY_TEST_TIMEOUT-5s}"
retries 0
listen clear-lst
bind "fd@${clearlst_dfltdh}"
server s1 "${tmpdir}/ssl_dfltdh.sock" ssl verify none ssl-max-ver TLSv1.2
listen ssl-4096dh-dflt-lst
bind "${tmpdir}/ssl_dfltdh.sock" ssl crt ${testdir}/common.pem ca-file ${testdir}/set_cafile_rootCA.crt verify optional ciphers "DHE-RSA-AES256-GCM-SHA384" ssl-max-ver TLSv1.2
http-response set-header x-ssl-cipher %[ssl_fc_cipher]
server s1 ${s1_addr}:${s1_port}
} -start
haproxy h3 -conf {
global
stats socket "${tmpdir}/h3/stats" level admin
global
ssl-dh-param-file ${testdir}/common.4096.dh
defaults
mode http
option httpslog
log stderr local0 debug err
option logasap
timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
timeout client "${HAPROXY_TEST_TIMEOUT-5s}"
timeout server "${HAPROXY_TEST_TIMEOUT-5s}"
retries 0
listen clear-lst
bind "fd@${clearlst_dhfile}"
server s1 "${tmpdir}/ssl_dhfile.sock" ssl verify none ssl-max-ver TLSv1.2
listen ssl-dhfile-lst
bind "${tmpdir}/ssl_dhfile.sock" ssl crt ${testdir}/common.pem ca-file ${testdir}/set_cafile_rootCA.crt verify optional ciphers "DHE-RSA-AES256-GCM-SHA384" ssl-max-ver TLSv1.2
http-response set-header x-ssl-cipher %[ssl_fc_cipher]
server s1 ${s1_addr}:${s1_port}
} -start
#
# Check that all the SSL backend <-> SSL frontend connections work
#
client c1 -connect ${h1_clearlst_sock} {
txreq
rxresp
# No DH parameters are defined, DHE ciphers are unavailable
expect resp.status == 503
} -run
client c2 -connect ${h2_clearlst_dfltdh_sock} {
txreq
rxresp
expect resp.status == 200
expect resp.http.x-ssl-cipher == "DHE-RSA-AES256-GCM-SHA384"
} -run
client c3 -connect ${h3_clearlst_dhfile_sock} {
txreq
rxresp
expect resp.status == 200
expect resp.http.x-ssl-cipher == "DHE-RSA-AES256-GCM-SHA384"
} -run
client c4 -connect ${h1_clearlst_sock} {
txreq -url "/gencert"
rxresp
# No DH parameters are defined, DHE ciphers are unavailable
expect resp.status == 503
} -run
# On the second HAProxy instance, even if default-dh-param is set to 4096, this
# value is only considered as a maximum DH key length and we will always try to
# match the server's certificate key length in our DHE key exchange (2048 bits
# in the case of common.pem).
shell {
echo "Q" | openssl s_client -unix "${tmpdir}/ssl_dfltdh.sock" -tls1_2 2>/dev/null | grep -E "Server Temp Key: DH, 2048 bits"
}
shell {
echo "Q" | openssl s_client -unix "${tmpdir}/ssl_dhfile.sock" -tls1_2 2>/dev/null | grep -E "Server Temp Key: DH, 4096 bits"
}
#
# Add a custom DH to the server's PEM certificate
#
shell {
printf "set ssl cert ${testdir}/common.pem <<\n$(cat ${testdir}/common.pem)\n$(cat ${testdir}/common.4096.dh)\n\n" | socat "${tmpdir}/h1/stats" -
echo "commit ssl cert ${testdir}/common.pem" | socat "${tmpdir}/h1/stats" -
printf "set ssl cert ${testdir}/common.pem <<\n$(cat ${testdir}/common.pem)\n$(cat ${testdir}/common.4096.dh)\n\n" | socat "${tmpdir}/h2/stats" -
echo "commit ssl cert ${testdir}/common.pem" | socat "${tmpdir}/h2/stats" -
printf "set ssl cert ${testdir}/common.pem <<\n$(cat ${testdir}/common.pem)\n$(cat ${testdir}/common.4096.dh)\n\n" | socat "${tmpdir}/h3/stats" -
echo "commit ssl cert ${testdir}/common.pem" | socat "${tmpdir}/h3/stats" -
}
#
# Check that all the SSL backend <-> SSL frontend connections still work
# Common.pem now contains DH parameters so the first instance's frontends
# can now use DHE ciphers.
#
client c5 -connect ${h1_clearlst_sock} {
txreq
rxresp
expect resp.status == 200
expect resp.http.x-ssl-cipher == "DHE-RSA-AES256-GCM-SHA384"
} -run
client c6 -connect ${h2_clearlst_dfltdh_sock} {
txreq
rxresp
expect resp.status == 200
expect resp.http.x-ssl-cipher == "DHE-RSA-AES256-GCM-SHA384"
} -run
client c7 -connect ${h3_clearlst_dhfile_sock} {
txreq
rxresp
expect resp.status == 200
expect resp.http.x-ssl-cipher == "DHE-RSA-AES256-GCM-SHA384"
} -run
client c8 -connect ${h1_clearlst_sock} {
txreq -url "/gencert"
rxresp
expect resp.status == 200
expect resp.http.x-ssl-cipher == "DHE-RSA-AES256-GCM-SHA384"
} -run
#
# Check the new size of the DH key
#
shell {
echo "Q" | openssl s_client -unix "${tmpdir}/ssl_dflt.sock" -tls1_2 2>/dev/null | grep -E "Server Temp Key: DH, 4096 bits"
}
shell {
echo "Q" | openssl s_client -unix "${tmpdir}/ssl_dfltdh.sock" -tls1_2 2>/dev/null | grep -E "Server Temp Key: DH, 4096 bits"
}
shell {
echo "Q" | openssl s_client -unix "${tmpdir}/ssl_dhfile.sock" -tls1_2 2>/dev/null | grep -E "Server Temp Key: DH, 4096 bits"
}
shell {
echo "Q" | openssl s_client -unix "${tmpdir}/ssl_dflt_gencert.sock" -tls1_2 2>/dev/null | grep -E "Server Temp Key: DH, 4096 bits"
}